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Immunoglobulin G Subclass 3
0050573
Ordering Recommendation

Aid in diagnosis of immunodeficiencies. Secondary test in suspected immunoglobulin deficiency. Do not order before IgG, IgA, and IgM measurements are performed. 

Mnemonic
IGG3
Methodology
Quantitative Nephelometry
Performed
Mon-Sat
Reported
1-3 days
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
 
Collect
Serum separator tube or green (sodium or lithium heparin). 
Specimen Preparation
Separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.45 mL) 
Storage/Transport Temperature
Refrigerated. 
Unacceptable Conditions
 
Remarks
 
Stability
After separation from cells: Ambient: 2 hours; Refrigerated: 8 days; Frozen: 6 months 
Reference Interval
Cord blood: 27-146 mg/dL                     5-6 years: 8-126 mg/dL
0-2 months: 4-23 mg/dL                         7-8 years: 9-107 mg/dL
3-5 months: 4-70 mg/dL                         9-10 years: 10-98 mg/dL
6-8 months: 12-62 mg/dL                       11-12 years: 16-194 mg/dL
9-23 months: 13-82 mg/dL                     13-14 years: 12-178 mg/dL
2 years: 4-69 mg/dL                                15 years and older: 21-134 mg/dL
3-4 years: 4-71 mg/dL
Interpretive Data


Note
Hotline History
N/A
Components
Component Test Code*Component Chart NameLOINC
0050573Immunoglobulin G Subclass 32468-7
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • IgG class 3
  • Class 3 IgG
  • Gamma-globulins 3
  • IgG Subclass 3